Stephen pollard aluminum designs. glen-l is proud to offer designs by stephen pollard for welded aluminum construction complete with cad files. stephen pollard is the. This is an enlarged version of the flat skiff 11′ 6". she requires two more sheets of plywood but is still very easy and fast to build. if you ever thought of buying. Category: tug yachts construction: sheet plywood/wood framing, or welded aluminum.